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Facebook has built an artificial intelligence (AI) tool, SapFix, to help programmers automatically patch up buggy code.

The social media giant revealed the introduction of the new tech at Facebook's @Scale engineering conference on September 13.

SapFix works by scanning code, automatically identifying bugs, testing different patches before suggesting the best ones for the engineers to implement.

"To our knowledge, this marks the first time that a machine-generated fix — with automated end-to-end testing and repair — has been deployed into a codebase of Facebook's scale," stated Facebook's developer tool team.